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816 Project, the world's largest man-made cave, transforms into new cultural and tourism landmark_我的网站

一 |     By Liu Xinyu    (ECNS) – With the recent surge in popularity of the "503 Geocentric Roaming Loop" in Fuling District of Chongqing, the 816 Project Scenic Area -- the world's largest man-made cave structure -- has drawn a large number of domestic and overseas tourists, with its attractions enhanced by sound, light and electrical technologies.        Construction of the 816 Project began in 1966. More than 60,000 builders participated in the project. The total excavated area exceeds 104,000 square meters. The cave complex contains 18 large caverns and more than 130 tunnels, branch caves and vertical shafts. The main cavern, standing 79.6 meters high with 12 floors, is entirely hidden inside the mountain and is known as the "world's largest man-made cave."        The lighting system uses LED projection and laser mapping technology to enhance the technological atmosphere while preserving the original appearance of the project, allowing visitors to experience the mystery of this "underground Great Wall."        Stepping into the cave, visitors are greeted by a visual spectacle where light and shadow intertwine with the industrial texture of the space. Giant projection screens on the rock walls display futuristic cyberpunk imagery. In the core areas, shifting lights create a futuristic atmosphere.        In recent years, local authorities have leveraged the site's unique historical and spatial resources through preservation, utilization and integration of culture and tourism, bringing this underground nuclear facility into the public eye and attracting a growing number of visitors from across the country and around the world.                    。

二 |     近日，网传西安地铁10号线在试车时发生事故，引发热议。

三 | 20日，官方通报事故原因。　　据西安中车长客官微消息，西安中车长客轨道车辆有限公司4月20日通报，4月18日23时50分，公司在西安地铁10号线（在建未开通）试验线路执行车辆型式试验时，因现场试验人员处置不当等原因导致车辆追尾，造成车辆局部受损，目前事故原因正在调查分析中。

四 | 下一步将举一反三，制定整改措施并严格落实，保证车辆保质保量按期交付投运。　　（中国小康网综合西安中车长客官微）。

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